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Old 25-07-2014   #1
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Exhaust header

Hi all just wondering if there us anywhere to buy a ss exhaust header for a 1.1 mpi schuey. If not is there anyone here that can fabricate one, also would there be any benefit?

Thanks
Lewis
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Old 25-07-2014   #2
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Re: Exhaust header

The SuperSprint ones fit. John Ashley may now be in a position to make a cheaper version (after a lot of tries!).

Still, on an MPI car you'll need to cobble together a CAT and a thread for the second lambda sensor. Many years ago J333EVO suggested that the CAT from a Rover KV6 was about the right size, and should flow better than the SPI cat. They're dam,n cheap as CATs go, too.
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Old 25-07-2014   #3
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Re: Exhaust header

Im looking at getting a full powerflow system with ss cat just need a header
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Old 25-07-2014   #4
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Re: Exhaust header

Quote Originally Posted by sleeka1 View Post
Im looking at getting a full powerflow system with ss cat just need a header
Expensive way of doing it, though. Cybox will do you everything but the cat in stainless, Jetex will do you a stainless cat.
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Old 25-07-2014   #5
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Re: Exhaust header

How loud is the cybox system as i was looking at 2 silencers in the powerflow one
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Old 25-07-2014   #6
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Re: Exhaust header

2. Pretty similar to stock here.

Blu has one and rates it.
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Old 25-07-2014   #7
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Re: Exhaust header

Powerflow is a franchise & does have a rather patchy reputation. Some of their agents do a good job, but some of them....!!!
Think they normally do 2" systems & that's too big, 1.75" is the optimum size for your engine.

I would go with Blu's recommendation, or buy a supersprint -they're well respected.

Most MOT testers won't bother about the fact that you have fitted a separate cat, but just to warn you -technically your car can be failed on future MOT's as all 2001 on Seicentos are supposed to have a manicat.
You can get a 1.2 8v Punto Stainless manicat which will fit (the Punto lump is 10mm taller than the Sei 1.1 engine).
http://www.ebay.co.uk/itm/99-05-FIAT...item2ed3c0f4d2
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Old 26-07-2014   #8
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Re: Exhaust header

I just worked out the two = twin exhaust thing.

Well, it ain't my kettle of custard, but think through that you'll need a one off rear bumper if you're going to get the hole for the exhaust to match.

To my mind, there are better things to spend time/money on, but it's not my car.
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Old 26-07-2014   #9
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Re: Exhaust header

Quote Originally Posted by fingers99 View Post
I just worked out the two = twin exhaust thing.

Well, it ain't my kettle of custard, but think through that you'll need a one off rear bumper if you're going to get the hole for the exhaust to match.

To my mind, there are better things to spend time/money on, but it's not my car.
Not twin exit just 2 silencers in one system instead of the usual straight through to the backbox. Also will that punto manifold definatly fit a 1.1 mpi schuey?
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Old 26-07-2014   #10
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Re: Exhaust header

That manicat stainless thingymabob up there probably wont fit the cento bay, the aftermarket ones don't tend to have a sharp enough bend from the flange on the head so don't give enough clearance to the radiator. Then the cat part is even fatter than that.
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Old 26-07-2014   #11
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Re: Exhaust header

Quote Originally Posted by mrcinquecento View Post
That manicat stainless thingymabob up there probably wont fit the cento bay....
Blast! someone noticed my error, I couldn't be bothered to get out of bed & edit the post when i realised.
Damn you, you eagle eyed so & so
Should have put it 'can be made to fit'. (It's only an interim measure but my exhaust is currently 1/3rd Seicento, 1/3rd Punto, & 1/3rd Classic Mini , anythings possible with time & effort -especially when the MOT looms).
sleeka: fitting a Punto manicat won't guarantee you won't fall foul of MOT regs as the manicat needs to be 'type approved' & this one isn't. It's just more likely not to be so objectionable to a tester.
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Old 26-07-2014   #12
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Re: Exhaust header

I would doubt that an MOT tester would notice/care if the CAT is in a different location than standard, as long as it passes the emissions test and there is a CAT present on the system somewhere.
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Old 26-07-2014   #13
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Re: Exhaust header

It's the old battle between Construction and Use and MOT. The two seldom really interact.

But, if in doubt, ask your friendly local MOT tester.

All said and done, the MPI cars are harder (and more expensive) to modify than the SPI ones.
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